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| author | Takashi Iwai <tiwai@suse.de> | 2009-06-02 15:26:19 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-06-02 15:54:47 +0200 |
| commit | c76157d9286ed598c241c212aa5a3c6e5107bd82 (patch) | |
| tree | a08d4b06184bf37ee55a20e30f9c66a43cee37c2 /sound/pci/ctxfi/ctvmem.h | |
| parent | ALSA: ctxfi - Remove PAGE_SIZE limitation (diff) | |
| download | linux-c76157d9286ed598c241c212aa5a3c6e5107bd82.tar.xz linux-c76157d9286ed598c241c212aa5a3c6e5107bd82.zip | |
ALSA: ctxfi - Support SG-buffers
Use SG-buffers instead of contiguous pages.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to '')
| -rw-r--r-- | sound/pci/ctxfi/ctvmem.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h index 17d2d37a9ea7..01e4fd0386a3 100644 --- a/sound/pci/ctxfi/ctvmem.h +++ b/sound/pci/ctxfi/ctvmem.h @@ -37,6 +37,8 @@ struct ct_vm_block { struct list_head list; }; +struct snd_pcm_substream; + /* Virtual memory management object for card device */ struct ct_vm { void *ptp[CT_PTP_NUM]; /* Device page table pages */ @@ -46,7 +48,8 @@ struct ct_vm { struct mutex lock; /* Map host addr (kmalloced/vmalloced) to device logical addr. */ - struct ct_vm_block *(*map)(struct ct_vm *, void *host_addr, int size); + struct ct_vm_block *(*map)(struct ct_vm *, struct snd_pcm_substream *, + int size); /* Unmap device logical addr area. */ void (*unmap)(struct ct_vm *, struct ct_vm_block *block); void *(*get_ptp_virt)(struct ct_vm *vm, int index); |